> Michael, et.al,
> I agree right up to #2. I always adjust the throttle stops at about 1
turn
> ON the stop.
> This allows about < .010" clearance between the bore and the butterfly and
> will prevent the butterfly from sticking, distorting and wear from use.
Then
> the air bleeds SHOULD be used to set the final idle speed....Michael, your
> thoughts..
> Dave
>
> Frogeye@SWCP.com Taos Garage Annex in Albuquerque
> '62 BT7 MK II, '54 BN1, '62 Fiat 1600S
> http://www.britishcarforum.com/TaosAnnex.html
> ----- Original Message -----
> From: "Michael Salter" <msalter@precisionsportscar.com>
> To: "'Scot paulson'" <SPAULSON1@compuserve.com>; "'Dave & Marlene'"
> <rusd@velocitus.net>; "'list'" <healeys@autox.team.net>
> Sent: Wednesday, June 16, 2004 6:30 PM
> Subject: RE: Re timing marks
>
>
> > Hi Scot,
> > The relationship between the mixture enrichment caused by pulling the
> > choke, and the normal running mixture is not really adjustable.
> > IMHO the important things are to ensure that the idle mixture is set
> > correctly when the engine is at normal operating temperature and that
> > the engine idle speed is set using the slow running valves, once that is
> > done most BJ8s will start from cold with about 1/2 choke unless the
> > temperature is really low, like below freezing.
> > On BJ8s it is very common to find that the idle speed has been adjusted
> > using the fast idle screws rather than the slow running valves. This is
> > usually necessitated by some other factor such as incorrect timing, or
> > incorrect mixture adjustment which prevents the engine from idling even
> > with the slow running valves wide open.
> > The result of using the fast idle screw to set the idle is that the
> > throttle starts to open as soon as one starts to apply the choke and
> > then the engine is reving way too high before the mixture enrichment
> > begins.
> > So here is the procedure I use, the whole carburetor adjustment
> > procedure takes about 2 minutes.
> > With the ignition system set up correctly.
> > 1. Get the engine hot and adjust the jet adjusting screws to get the
> > fastest idle; which you can check by lifting the piston.
> > 2. Ensure that the tips of the fast idle screws are about 1 turn off the
> > stop on the throttle shaft.
> > 3. Adjust the idle using the slow running valve.
> >
> >
> > Michael Salter
> > www.precisionsportscar.com
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